Definition of subtraction in English:

subtraction

Syllabification: sub·trac·tion
Pronunciation: /səbˈtrakSHən
 
/

noun

  • 1The process or skill of taking one number or amount away from another: subtraction of this figure from the total
    More example sentences
    • Roman numerals are fine for recording numbers, and for doing simple additions and subtractions, which meant they were adequate, if somewhat cumbersome, for commerce and trade.
    • They were all excited doing their addition, subtractions, multiplications and divisions, mentally and with abacus.
    • Apart from additions and subtractions, they also multiply, divide, calculate square roots, etc, all in a matter of seconds.
  • 1.1 Mathematics The process of taking a matrix, vector, or other quantity away from another under specific rules to obtain the difference.
    More example sentences
    • If the spectra are dominated by fluctuation of the motor charges, subtraction of two spectra obtained at different pipette potentials should have a similar relaxation time.
    • ‘The Analytical Method of vector addition and subtraction uses vector components,’ I reminded Mr. Shah.
    • The processing can be extremely fast, requiring only the time to record a patch from a camera and then carry out the subtraction and a single matrix multiplication.

More definitions of subtraction

Definition of subtraction in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea